Nuclear warfare Military policy 27 Religious aspects 9 History 6 Moral and ethical aspects 5 Nuclear weapons 5 Peace 5 Strategy 5 Christianity 4 Civil defense 4 Environmental aspects 4 Nuclear arms control 4 World politics 4 Deterrence (Strategy) 3 Doctrines 3 Foreign relations 3 Just war doctrine 3 Nuclear disarmament 3 Safety measures 3 Antinuclear movement 2 Arms race 2 Biological warfare 2 Bombing, Aerial 2 Catholic Church 2 Chemical warfare 2 Church history 2 Cruise missiles 2 Disarmament 2 History of doctrines 2 Nuclear nonproliferation 2